The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2014
Filed:
Jun. 28, 2011
Applicants:
Romuald Morvant, Tamworth, GB;
Kevin M Britchford, Belper, GB;
Inventors:
Romuald Morvant, Tamworth, GB;
Kevin M Britchford, Belper, GB;
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Noise generated by a gas turbine enginesupported by a pylonon a wingof an aircraft is reduced by influencing a shear layer generated between the free-stream flowfield and flow from the engine. The shear layer is influenced by means of one or more wingletswhich interact with the free-stream flowfield to deflect the shear layerdownwardly, to avoid interaction with a flapon the wing, or to reduce the strength of the shear layer